We appointed for Moses thirty nights, and completed (the period) with ten (more): thus was completed the term (of communion) with his Lord, forty nights. And Moses had charged his brother Aaron (before he went up): "Act for me amongst my people: Do right, and follow not the way of those who do mischief."

我与穆萨约期三十夜。我又以十夜补足之，故他的主的约期共计四十夜。穆萨对他哥哥哈伦说：“请你替我统率我的宗族。你要改善他们的事务，你不要遵循作恶者的道路。”